USFWS National Digital Library

- Hermit Crab
- Crustaceans; Wildlife refuges; Marine environments; Islands;
- Hermit crab scuttling over corals on the Guam National Wildlife Refuge.
- Images
- Crayfish pellet
- Rivers and streams; Crustaceans; Freshwater fishes;
- Crayfish pellet
- Images
- Subject Index
- Aerial photography; Agribusiness; Agricultural ecosystems; Agriculture; Air Pollution; Aircraft; Alpine environments; Amphibians; Amphibious vehicles; Anadromous species; Animal industry; Aquaculture; Aquatic animals; Aquatic birds; Aquatic...
- Images
- Crayfish- close-up underwater
- Fisheries; Aquatic animals;Aquatic environments;Crustaceans
- Close up view of crayfish.
- Images
- Crayfish underwater on bottom of river
- Fisheries; Aquatic animals; Aquatic environments; Crustaceans;
- Medium shot of crayfish on bottom.
- Images
- Young boys showing off their catch
- Aquatic environments; Children; Coastal environments; Connecting people with nature; Crustaceans; Fishing; Leisure activities; Marine environments; Recreation; Wildlife refuges;
- Two young boys proudly show off the blue crab they caught!
- Images
- Horseshoe crabs
- Crustaceans; Coastal environments; Aquatic animals;
- Two horseshoe crabs on the coast near Mispillion Harbor Delaware.
- Images
- Red Knots and Horseshoe Crabs
- Aquatic birds; Aquatic animals; Birds; Coastal environments; Crustaceans; Candidate;
- Red Knots pictured here are a cadidate species for listing on the endangered species list. Horseshoe Crab in the foreground. Location is Mispillion Harbor, Delaware.
- Images
- Horseshoe crabs
- Aquatic animals; Coastal environments; Crustaceans;
- Horseshoe crabs in Mispillion Harbor Delaware
- Images
- Red Knots and Horseshoe Crab in Water
- Aquatic birds; Crustaceans; Coastal environments;
- Red knots standing in water on the coast with a horseshoe crab, Mispillion Harbor.
- Images
- Horseshoe Crab
- Crustaceans; Coastal environments;
- Horseshoe crabs on coast, Mispillion Harbor.
- Images
- Red Knots and Horseshoe Crabs in Water
- Aquatic birds; Coastal environments; Crustaceans;
- Red knots standing in water on coast with horseshoe crabs, Mispillion Harbor.
- Images
- Horseshoe Crabs in Water
- Coastal environments; Crustaceans;
- Horseshoe crabs in water, Mispillion Harbor.
- Images
- Horseshoe Crabs
- Coastal environments; Crustaceans;
- Two horseshoe crabs in the water, Mispillion Harbor.
- Images
- Horseshoe Crab
- Coastal environments; Crustaceans;
- Horseshoe crab on coast, Mispillion Harbor.
- Images
- Horseshoe Crabs
- Coastal environments; Crustaceans;
- Pair of mating horseshoe crabs, Mispillion Harbor.
- Images